The Global Automotive Long Glass Fiber Reinforced PBT Market was valued at USD 861 Million in 2025 and is projected to reach USD 1.29 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.1% during the forecast period (2024–2034). This robust growth trajectory is driven by the automotive industry’s relentless pursuit of lightweighting for enhanced fuel efficiency, the rapid electrification of vehicles requiring robust, heat-resistant components, and stringent global safety and emissions standards.

As automakers worldwide pivot towards more sustainable and efficient vehicle designs, the demand for high-performance engineered plastics has surged. Among these materials, long glass fiber reinforced PBT (LGF-PBT) stands out for its exceptional strength-to-weight ratio, dimensional stability, and impact resistance. It is a critical enabler for replacing heavier metal parts in structural and semi-structural applications, from front-end modules to electric vehicle battery brackets. This analysis profiles the Top 10 Companies in the Automotive Long Glass Fiber Reinforced PBT Industry—a group of global chemical giants, specialized compounders, and innovative material scientists who are shaping the future of automotive materials.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Ultradur® LGF-PBT compounds

BASF is a global leader in the chemical industry and a dominant force in engineering plastics. Its Ultradur® portfolio of long glass fiber reinforced PBT grades is renowned for high mechanical strength, excellent thermal stability, and superior flow properties. The company serves major automotive OEMs and Tier-1 suppliers globally, providing materials for demanding applications such as front-end carriers, pedal boxes, and sensor housings.

Innovation and Market Strategy:

• Focus on developing high-flow grades for complex, thin-walled parts to maximize weight savings

• Strong R&D in halogen-free flame-retardant (HFFR) formulations for electrical and electronic components in EVs

• Extensive global production network and technical service centers to support customers worldwide

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9️⃣ 2. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: SABIC® LNP™ Thermocomp® LGF-PBT compounds

SABIC is a major global petrochemical company with a strong portfolio of engineered thermoplastics. Its LNP™ Thermocomp® LGF-PBT compounds are designed to deliver a superior balance of stiffness, strength, and heat resistance. The company leverages its vertical integration in raw materials to ensure supply chain stability and competitive pricing, making it a key partner for automotive manufacturers.

Innovation and Market Strategy:

• Development of specialized grades for under-the-hood applications requiring continuous exposure to high temperatures and aggressive fluids

• Strategic focus on materials for electric vehicle battery systems, including cell holders and module housings

• Commitment to sustainability with research into bio-based and recycled-content PBT solutions

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8️⃣ 3. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Crastin® LGF-PBT engineering thermoplastics

DuPont is a world-renowned science company with a long history of innovation in high-performance materials. Its Crastin® PBT product line includes advanced long glass fiber reinforced grades that offer exceptional mechanical properties, creep resistance, and excellent electrical characteristics. These materials are specified for critical automotive components where reliability under stress is non-negotiable.

Innovation and Market Strategy:

• Pioneering high-performance grades with glass fiber content up to 50% for maximum structural performance

• Strong application development support for metal replacement in chassis and body structure components

• Global technical service network providing comprehensive design and processing expertise to customers

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7️⃣ 4. Lanxess AG

Headquarters: Cologne, Germany
Key Offering: Pocan® LGF-PBT compounds

Lanxess is a leading specialty chemicals company with a strong focus on high-tech plastics. Its Pocan® brand of LGF-PBT is engineered for applications requiring high rigidity, impact strength, and thermal stability. The company is particularly strong in the European automotive market and has a growing presence in Asia and the Americas.

Innovation and Market Strategy:

• Specialization in laser-weldable black grades for aesthetic and functional exterior applications

• Development of hydrolysis-resistant formulations for components exposed to hot and humid environments

• Active participation in industry consortia to standardize material specifications for electric vehicle applications

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6️⃣ 5. Celanese Corporation

Headquarters: Irving, Texas, USA
Key Offering: Celanex® and Vandar® LGF-PBT compounds

Celanese is a global chemical and specialty materials company with a comprehensive portfolio of engineered materials. Its Celanex® PBT and Vandar® PBT/ASA alloy grades with long glass fiber reinforcement are known for their excellent surface finish, high flow, and good impact performance. The company has a strong footprint in North America and Asia, serving a diverse range of automotive applications.

Innovation and Market Strategy:

• Expertise in alloying PBT with other polymers to enhance specific properties like UV resistance and toughness

• Focus on cost-optimized solutions for high-volume interior and exterior trim applications

• Investment in application development for electrified powertrain components requiring high CTI (Comparative Tracking Index)

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5️⃣ 6. Covestro AG

Headquarters: Leverkusen, Germany
Key Offering: Pocan® LGF-PBT (following acquisition of DSM’s Engineering Plastics business)

Covestro is a world-leading supplier of high-tech polymer materials. With its acquisition of the DSM Engineering Materials business, Covestro significantly expanded its portfolio to include a wide range of LGF-PBT compounds. The company is focused on developing sustainable material solutions for the circular economy while meeting the demanding performance requirements of the automotive sector.

Innovation and Market Strategy:

• Leadership in developing mass-balanced and bio-attributed PBT grades to support automotive sustainability goals

• Strong focus on materials for electric mobility, including high-voltage battery components and charging infrastructure

• Global production capabilities combined with deep expertise in compounding technology for consistent quality

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4️⃣ 7. RTP Company

Headquarters: Winona, Minnesota, USA
Key Offering: Custom-engineered LGF-PBT compounds

RTP Company is a leading global compounder of engineered thermoplastics, renowned for its ability to provide highly customized material solutions. While not a resin producer, RTP specializes in tailoring LGF-PBT compounds to meet specific customer requirements, offering a wide range of glass fiber loadings, additives, and color options. This flexibility makes it a valuable partner for automotive suppliers with unique application needs.

Innovation and Market Strategy:

• Expertise in custom compounding for niche applications requiring specific property combinations

• Rapid prototyping and small-batch production capabilities for development programs

• Strong focus on technical customer service and collaborative problem-solving

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3️⃣ 8. Mitsubishi Chemical Group

Headquarters: Tokyo, Japan
Key Offering: NOVADURAN® LGF-PBT compounds

Mitsubishi Chemical Group is a Japanese chemical industry leader with a significant presence in engineering plastics. Its NOVADURAN® PBT series includes long glass fiber reinforced grades that are widely used in the Japanese and broader Asian automotive markets. The company is known for its high-quality standards and strong relationships with Japanese OEMs.

Innovation and Market Strategy:

• Development of high-heat and high-flow grades for demanding under-the-hood applications

• Strong position in the Asian market, particularly with Japanese automakers known for stringent quality requirements

• Investment in recycling technologies and sustainable material initiatives

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2️⃣ 9. Kingfa Science & Technology Co., Ltd.

Headquarters: Guangzhou, China
Key Offering: Comprehensive range of LGF-PBT compounds

Kingfa is China’s largest and one of the world’s leading改性塑料 (modified plastics) producers. The company offers a wide portfolio of LGF-PBT materials that are cost-competitive while meeting international performance standards. Kingfa’s strong domestic manufacturing base and understanding of the Chinese automotive market give it a significant advantage in the world’s largest vehicle-producing country.

Innovation and Market Strategy:

• Focus on cost-effective solutions for high-volume automotive applications without compromising performance

• Rapid response to the specific needs of Chinese and global OEMs manufacturing in China

• Continuous expansion of production capacity and product portfolio to capture growing market share

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1️⃣ 10. Asahi Kasei Corporation

Headquarters: Tokyo, Japan
Key Offering: XYRON™ LGF-PBT compounds

Asahi Kasei is a diversified Japanese chemical company with a strong engineering plastics division. Its XYRON™ PBT-based products, including long glass fiber reinforced grades, are known for their excellent heat resistance, electrical properties, and mechanical strength. The company has a strong technological foundation and is particularly focused on high-value applications in the automotive and electronics sectors.

Innovation and Market Strategy:

• Development of specialized grades with enhanced thermal aging resistance for long-term performance

• Focus on high-purity materials for automotive sensors and electronic control units

• Strategic partnerships with automotive suppliers to develop application-specific material solutions

Get Full Report Here: Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

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🌍 Outlook: The Future of Automotive Materials Is Lighter and Smarter

The automotive LGF-PBT market is undergoing a significant transformation. While traditional metal components still dominate many structural applications, the industry is increasingly investing in advanced thermoplastic composites that offer superior weight savings, design flexibility, and corrosion resistance. The shift towards electric vehicles is particularly accelerating this transition, creating new opportunities for materials that can meet the unique demands of electrified powertrains.

📈 Key Trends Shaping the Market:

• Accelerated adoption in electric vehicle battery systems, including trays, enclosures, and structural supports

• Development of higher-performance grades with optimized fiber-matrix adhesion for enhanced mechanical properties

• Increased focus on sustainable and recyclable material solutions to support automotive circular economy goals

• Integration of digital tools for material selection, simulation, and lifecycle assessment

Get Full Report Here: Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

The companies profiled above are not only supplying critical materials to the global automotive industry—they are at the forefront of developing the next generation of lightweight, sustainable vehicle technologies that will define mobility for decades to come.